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eduard
3 years ago
14

An engineering team has come to the stage in the engineering design

Physics
1 answer:
SIZIF [17.4K]3 years ago
6 0

Answer: D

Explanation: read the answers above and compare to your test

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A room has dimensions 3.00 m (height) 3.70 m 4.30 m. A fly starting at one corner flies around, ending up at the diagonally oppo
horrorfan [7]
The displacement is the straight-line distance it flew when everything is over.  We don't count all of the turns that it made in the displacement.  So if it's in an opposite corner we just need to know how far it is from one corner of a box to the opposite corner with the given dimensions.  We use the Pythagorean Theorem for part a):
d= \sqrt{3.00^{2}+3.70^{2}+4.30^{2}}=6.42m
b).  Since the displacement is the straight line path, there are no shorter paths that this.
c)All other paths are greater
d) if the fly flies this path, then they would be equal
in cartesian coordinates, the vector is the sum of the 3 components whose magnitudes are the wall lengths and whose directions are parallel to that wall:
D=a_x3.70+a_y4.30+a_z3.00

The shortest walking path is 7.96m.
3 0
3 years ago
Which statement describes a step-down transformer?
natali 33 [55]
The primary coil has more turns than the secondary coil. so D.
6 0
3 years ago
Read 2 more answers
An electromagnetic wave moves through electric and magnetic fields. How might the movement of the wave be described?
Elenna [48]

A. The vibrations of the fields are perpendicular to the direction in which the wave moves.

7 0
3 years ago
Which of the following is a<br> force that can oppose or change motion?
sergey [27]

Answer:

Friction force is the force that one object exerts in another when the two rub against each other. Most of the time, friction force opposes the motion of an object.

Explanation:

8 0
3 years ago
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Suppose a car is traveling at +25.0 m/s, and the driver sees a traffic light turn red. After 0.340 s has elapsed (the reaction t
scoundrel [369]
First, we will get the distance traveled before the driver applied the brakes.
distance = velocity * time
distance = 25*0.34 = 8.5 m

Now, we will calculated the distance that the car traveled after the driver applied the brakes. To do this, we will use the equation of motion:
<span>vf^2 = vi^2 + 2*a*d where:
</span>vf = zero, vi = 25 m/s and a = -7 m/s^2
Note: The negative sign is only to show deceleration 
d = <span> 1/2*(625) /(7) = 44.6428 m

The total stopping distance =</span> 8.5 + 44.6428 = 53.1428 m
3 0
2 years ago
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